RAM Clamp Base - Square 100mm Post Base Ratchet clamp with 1/2" NPT Post

RAM-247U-4P1 Square Post Clamp Ratchet Base with 1/2" NPT Post (102mm)

The RAM-247U-4P1 is a flat ratchet clamp base for square posts and rails up to 102mm (4") wide, finished with a 1/2" NPT threaded post. It provides a stable, adjustable mounting point for RAM swing arms, double base mounts and other NPT-threaded components.

Key Features

• Flat clamping base wraps square posts and rails up to 101.6mm (4") wide; adjustable and easily removable
• Ratchet arm sets and holds the mounting angle before final tightening
• 1/2" NPT threaded post accepts RAM swing arms, double base mounts and other NPT-fit components
• Powder-coated marine-grade aluminium, built for demanding environments
• Backed by RAM's lifetime warranty

Works With

Any RAM component with a 1/2" NPT thread, including swing arms and double base mounts. This is a base only; the connecting arm or mount is sold separately.

Dimensions & Specifications

• Maximum post width: 101.6mm (4")
• Post thread: 1/2" NPT
• Weight: 1.13kg (2.5 lb)
• Material: powder-coated marine-grade aluminium
• Hardware included: (2) 5/16"-18 x 3" machine screws, (2) 5/16"-18 Nylock nuts, (1) 1.25" nylon washer

FAQs

What size post does it fit? Square posts and rails up to 101.6mm (4") wide.

Does it include an arm or mount? No, this is the clamp base and NPT post only. Pair it with any RAM component that has a matching 1/2" NPT thread.

How fast does it ship? If this item shows as being in stock then it will usually ship from our Auckland warehouse in 1 business day. If it says to enquire then please get in touch as we may be able to get this back in for you.

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